As noted in
Mutrie’s 6,000 New York Ancestors: A Compendium of Mabie Research,
the original story that Pieter Casparszen was of French descent from a Seigneur
Pierre Mabille de Nevi of Anjou started with an unpublished family history by
one Edward C. Marshall.

We know from The
Frisbee-Frisbie Genealogy by Edward S. Frisbee (1919) that Marshall
prepared his paper for the Reverend Henry Clay Mabie, secretary of the American
Baptist Missionary Union. Mr. Frisbee had earlier written of Marshall’s paper
in a letter to Mrs. Jerome I. Stanton dated October 12, 1905. Thus, we know that
Mr. Marshall wrote his paper prior to 1905, likely in the late 1890s.

As noted by
Mutrie, Marshall suggested the link between the Mabie and Mabille Families only
as a possibility, but nothing more. Mutrie documents his
significant efforts to either prove or disprove this link, finally concluding
only that there was possibly an ancestor named Pierre Mabille. Thus, this link
is based not on historical data, but on an unfounded suggestion by Mr. Marshall.

Two articles
published in the New York Genealogical & Biographical Record gave
credibility to Marshall’s creation. The first, The Founders of the Beck
and Mabie Families in America by Catherine T. R. Mathews (Vol. XXXVIII,
1907, pages 98 - 103), did not mention Marshall as a source, but said:
"There seems no doubt that their name was Mabille." The second
article, The Mabie Family by Sarah Adelaide Mabie (Vol. LII, 1921,
pages 251-255) cites Marshall as her only source, and includes the Mabille name
not as a possibility, but as a fact.

Thus, we find
ourselves left with the inescapable conclusion that there is absolutely no
historical evidence whatsoever to suggest that the Mabie Family in America is
related in 3 any way to the Mabille Family of France. And while a French origin
remains a possibility, the presence of the Mabie Forest in Scotland, and various
historical references to Mabey, Maybee and Maby families throughout England as
far back as the 16th century, strongly suggests other possibilities.